+struct ent_camera{
+ mdl_transform transform;
+ float fov;
+};
+
+enum ent_menuitem_type{
+ k_ent_menuitem_type_visual = 0,
+ k_ent_menuitem_type_event_button = 1,
+ k_ent_menuitem_type_page_button = 2,
+ k_ent_menuitem_type_toggle = 3,
+ k_ent_menuitem_type_slider = 4,
+ k_ent_menuitem_type_page = 5
+};
+
+typedef struct ent_menuitem ent_menuitem;
+struct ent_menuitem{
+ u32 type, groups,
+ id_links[4]; /* ent_menuitem */
+ f32 factive, fvisible;
+
+ mdl_transform transform;
+ u32 submesh_start, submesh_count;
+
+ union{ u64 _u64; /* force storage for 64bit pointers */
+ i32 *pi32;
+ f32 *pf32;
+ void *pvoid;
+ };
+
+ union{
+ struct{
+ u32 id_min, /* ent_marker */
+ id_max, /* . */
+ id_handle, /* ent_menuitem */
+ pstr_data;
+ }
+ slider;
+
+ struct{
+ u32 pstr;
+ }
+ button;
+
+ struct{
+ u32 id_check, /* ent_menuitem */
+ pstr_data;
+ v3f offset; /* relative to parent */
+ }
+ checkmark;
+
+ struct{
+ u32 pstr_name,
+ id_entrypoint, /* ent_menuitem */
+ id_viewpoint; /* ent_camera */
+ }
+ page;
+ };
+};
+
+struct ent_worldinfo{
+ u32 pstr_name, pstr_author, pstr_desc;
+ f32 timezone;
+};
+